In the heartland of Japan, where endless green rice fields paint the landscape like a living blanket, a remarkable form of artistry has emerged—rice paddy art, a practice that transforms ordinary farmland into colourful artworks. While children and adults alike are delighted by the surprisingly complex images, one might wonder: what makes the art a reality?

The secret lies in the rice shoots (秧苗). As the plants of different varieties grow, each type progressively turns a different colour ranging from shades of green to purple or gold—to bring an artwork to life. These colorful blocks and lines in fields form vivid designs: towering mountains, lovely animals, and even famous characters from movies and cartoons, which are easily recognizable from high places.

...

Q: What is special about the rice shoots?

Their colours vary with growth.

They grow better at high places.

They are created by famous artists.

Their designs are meant for movies.

细节理解题。根据第二段“The secret lies in the rice shoots (秧苗). As the plants of different varieties grow, each type progressively turns a different colour ranging from shades of green to purple or gold—to bring an artwork to life. (秘诀就在秧苗里。随着不同品种的植物生长，每一种植物逐渐变成不同的颜色，从绿色到紫色或金色，使艺术品栩栩如生。)”可知，秧苗颜色随着生长而变化。故选A。